# Laboratoire Jacques-Louis Lions
**Wikidata**: [Q3214369](https://www.wikidata.org/wiki/Q3214369)  
**Source**: https://4ort.xyz/entity/laboratoire-jacques-louis-lions

## Summary
Laboratoire Jacques-Louis Lions (LJLL) is a French research institute specializing in applied mathematics. Founded in 1997, it is located in Paris and is named after Jacques-Louis Lions. The institute operates under the joint supervision of several parent organizations, including Sorbonne University and the Institut National de Recherche en Informatique et en Automatique.

## Key Facts
- Laboratoire Jacques-Louis Lions (LJLL) was founded in 1997.
- It specializes in the field of applied mathematics.
- The institute is located at 4 Place Jussieu in the 5th arrondissement of Paris, France.
- Emmanuel Trélat has served as its CEO since 2020.
- It is named after Jacques-Louis Lions.
- LJLL is classified as a research institute and a French UMR (Unité Mixte de Recherche) with the ID UMR7598.
- Its parent organizations include Sorbonne University, Paris Diderot University, Institut National de Recherche en Informatique et en Automatique, and the National Institute of Mathematical Sciences and their Interactions.
- Official websites are available in French (https://www.ljll.fr/) and English (https://www.ljll.fr/en/).

## FAQs
### Q: What is Laboratoire Jacques-Louis Lions?
A: Laboratoire Jacques-Louis Lions (LJLL) is a French research institute dedicated to the field of applied mathematics. It was established in 1997 and operates under the joint supervision of several academic and research institutions in France.

### Q: What is the primary focus of Laboratoire Jacques-Louis Lions?
A: The primary focus of Laboratoire Jacques-Louis Lions is applied mathematics. It conducts research in this specific scientific discipline.

### Q: Where is Laboratoire Jacques-Louis Lions located?
A: Laboratoire Jacques-Louis Lions is headquartered in Paris, France, at 4 Place Jussieu, 75252. It is situated within the 5th arrondissement of Paris.

### Q: Who is the current CEO of Laboratoire Jacques-Louis Lions?
A: Emmanuel Trélat has been the CEO of Laboratoire Jacques-Louis Lions since 2020.

### Q: When was Laboratoire Jacques-Louis Lions founded?
A: Laboratoire Jacques-Louis Lions was founded in 1997.

## Why It Matters
Laboratoire Jacques-Louis Lions (LJLL) plays a crucial role in advancing the field of applied mathematics within France and internationally. As a dedicated research institute, it contributes to the development of new mathematical theories, models, and computational methods that can be applied to various scientific and engineering problems. Its status as a French UMR (Unité Mixte de Recherche) and its affiliations with prominent institutions like Sorbonne University, Paris Diderot University, and Inria highlight its integration into the national research infrastructure. By fostering specialized research in applied mathematics, LJLL helps to push the boundaries of scientific understanding, providing foundational knowledge that can drive innovation across diverse sectors. The institute's commitment to this specific field ensures a focused approach to complex mathematical challenges, making it a significant contributor to academic discourse and practical applications.

## Notable For
- Specializing exclusively in the field of applied mathematics.
- Operating as a French UMR (Unité Mixte de Recherche) with the ID UMR7598.
- Being jointly supervised by multiple prominent French institutions, including Sorbonne University, Paris Diderot University, and Institut National de Recherche en Informatique et en Automatique.
- Named in honor of the distinguished mathematician Jacques-Louis Lions.

## Body
### General Information
Laboratoire Jacques-Louis Lions, often referred to by its alias LJLL, is a research institute dedicated to applied mathematics. It is classified as a French UMR (Unité Mixte de Recherche) under the identifier UMR7598. The institute is named after Jacques-Louis Lions.

### History
The Laboratoire Jacques-Louis Lions was established in 1997.

### Leadership
Emmanuel Trélat has served as the CEO of Laboratoire Jacques-Louis Lions since 2020.

### Location and Affiliations
The headquarters of Laboratoire Jacques-Louis Lions is located in Paris, France, specifically at 4 Place Jussieu, 75252, within the 5th arrondissement of Paris.
LJLL operates under the joint supervision of several parent organizations:
- Institut National de Recherche en Informatique et en Automatique
- National Institute of Mathematical Sciences and their Interactions
- Paris Diderot University
- Sorbonne University

### Online Presence and Identifiers
Laboratoire Jacques-Louis Lions maintains official websites in both French (https://www.ljll.fr/) and English (https://www.ljll.fr/en/).
It is associated with several unique identifiers:
- ISNI: 0000000101748385
- ROR ID: 04xmteb38
- GRID ID: grid.464004.2
- VIAF ID: 294107215
- IdRef ID: 099222221
- Ringgold ID: 55903
- HAL Structure ID: 542019
- French National Research Structure ID: 199712644L
- CNRS Research Group ID: UMR7598

## References

1. GRID Release 2017-01-10
2. [Source](https://aurehal.archives-ouvertes.fr/structure/542019)
3. French National Directory of Research Structures
4. Aligned ISNI and Ringgold identifiers for institutions
5. HAL